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Dr. Orhan Celen

Dr. Orhan Celen

Surgical Oncologist ·
, Kocaeli, Turkey

32 Years of experience ·
Languages Spoken: Turkish , English

Orhan Celen is currently available for hospital consultations. Explore online consultation options or book an in-person visit.

Specialises in:

Breast CancerLung CancerPancreatic CancerOvarian CancerStomach Cancer

About Dr. Orhan Celen

Condition Treated by Dr. Orhan Celen

The conditions that Dr. Orhan Celen treats are listed below:

  • Breast Cancer
  • Lung Cancer
  • Pancreatic Cancer
  • Ovarian Cancer
  • Stomach Cancer
  • Primitive Neuroectodermal Tumors
  • Oligodendrogliomas
  • Brain Cancers- Astrocytoma
  • Meningiomas
  • Inguinal Hernia (in Groin)
  • Mixed Gliomas
  • Oral or Mouth Cancer
  • Colorectal or Colon Cancer
  • Ependymomas
  • Skin Cancer
  • Prostate Cancer
  • Cervical Cancer

Breast cancer surgery is performed to remove the specific area of cancer in the breasts. The surgeon removes cancer and healthy tissues all around it. You usually have to undergo radiotherapy for the breast after this kind of surgery.

Signs and Symptoms treated by Dr. Orhan Celen

Your symptoms depend on the type of cancer you are affected with, what is the stage, the location of cancer, and how far it has spread in the body. Cancer may cause any type of symptoms or signs. A sign can be seen by others, such as a fever, vomiting, and breathing. Symptoms can be perceived only by the person is suffering from the condition. Around 200 types of cancer are known till date and all these can cause different symptoms. Cancer can produce various symptoms and these can differ from person to person. Some of the signs and symptoms of different types of cancer are as follows:

  • Bone pain
  • Shortness of breath
  • Chest pain
  • Headache
  • Coughing up blood, even a small amount
  • Hoarseness
  • Losing weight without trying
  • A new cough that doesn't go away

Operating hours of Dr. Orhan Celen

You can see Dr Orhan Celen between 11 am and 6 pm from Monday to Saturday. The doctor is not available on Sunday.

Procedures performed by Dr. Orhan Celen

The below-listed popular procedures for cancer treatment are performed by Dr. Orhan Celen

  • Pancreatic Cancer Treatment
  • Stomach Cancer Treatment
  • Colorectal Cancer ( Colon Cancer ) Treatment
  • Skin Cancer Treatment
  • Inguinal Hernia Repair
  • Lung Cancer Treatment
  • Breast Cancer Treatment
  • Oral cancer Treatment
  • Ovarian Cancer Treatment

The doctor has performed a large number of successful procedures for cancer treatment, with a high success rate has received worldwide recognition for their patient-centric approach and holistic approach. Patient safety is the top priority for the doctor who follows all medical protocols and provides care of international standards. There are two types of cancer surgery - minimally invasive surgery and open surgery. In open surgery, a surgical oncologist makes a large incision, to remove the tumor and some of the adjacent healthy tissues. Minimally invasive surgery involves laser surgery, cryosurgery, robotic surgery, laparoscopy, cryosurgery.

Qualification

  • Ankara University Faculty of Medicine
  • Ankara Oncology Training and Research Hospital
  • Boston University School of Medicine, The University Hospital, Department of Surgical Oncology

Work Experiences

  • Currently working at Medical Park Gebze Hospital

Memberships (6)

  • National Surgical Association
  • Ankara Surgical Association
  • Ankara Breast Diseases Association
  • Federation of Breast Diseases
  • European Society of Surgical Oncology

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Procedures Performed

Breast Cancer Treatment
Colorectal Cancer ( Colon Cancer ) Treatment
Head & Neck Cancer Treatment
HIPEC
Inguinal Hernia Repair
Lung Cancer Treatment
Malignant Mesothelioma Treatment
Oral cancer Treatment
Ovarian Cancer Treatment
Pancreatic Cancer Treatment
Papillary Thyroid Cancer Treatment
Rhabdomyosarcoma (RMS) Treatment
Robotic Cancer Surgery
Skin Cancer Treatment
Stomach Cancer Treatment

Frequently Asked Questions

Dr. Orhan Celen is a specialized Surgical Oncologist and is one of the most sought after doctors in Kocaeli, Turkey.

No, this doctor does not offer telemedicine via MediGence

Dr. Orhan Celen is one of the most sought after specialists in Turkey and has over years of experience.

FAQ's Related to Surgical Oncologist

A surgical oncologist is a doctor who removes the tumor and adjacent tissues through surgery. They also perform some types of biopsies to diagnose cancer. In some cases, a surgical oncologist performs surgeries to find out parts of the body where cancer has spread. In special cases, the surgeons do preventive surgeries. Sometimes, additional treatments like chemotherapy or radiation follow surgery. In these cases, surgical oncologists play an important role in providing care to the patients post-surgery.

Some of the most common test performed for the diagnosis of cancer are:

  • Biopsy
  • Laboratory Tests
  • Physical Exam
  • Imaging Tests
  • Cancer Screening

Most cancer patients undergo a biopsy to remove a sample of tissues from a body part for examination by a pathologist so that cancer can be diagnosed.

You should see a surgical oncologist in case your primary care doctor refers you to one. The doctor may also tell you to visit a surgical oncologist for the diagnosis of cancer. Some specialized general surgeons can also perform surgery on various types of cancer. An individual needs to consult a surgical oncologist in case of below situations:

  1. Unusual cancer like head or neck cancer.
  2. Complex cancer can spread to multiple body parts.
  3. Cancer recurrence
  4. Cancer that is difficult to treat
  5. For in-depth evaluation and treatment plan
  6. You want a second opinion about cancer diagnosis

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Last Reviewed - June 2026

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